/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package webapp.controller;

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.RequestDispatcher;
import webapp.model.RestaurantManager;
import webapp.model.CommentManager;
import webapp.model.Restaurant;
import webapp.model.Comment;
import webapp.controller.SessionManager;
import java.util.ArrayList;

/**
 *
 * @author Nina
 */
public class viewRestaurantServlet extends HttpServlet {
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String url = "/viewrestaurant.jsp";

            int restaurant_id = Integer.parseInt(request.getParameter("restaurant_id"));
            RestaurantManager rm = new RestaurantManager();
            Restaurant r = rm.getRestaurantById(restaurant_id);

            if(r != null){
                request.setAttribute("restaurant", r);

                CommentManager cm = new CommentManager();
                ArrayList<Comment> comments = cm.getCommentByRestaurantId(restaurant_id);

                request.setAttribute("comments", comments);
                request.setAttribute("title", r.getName());

            } else {
                url = "/feedback.jsp";
                request.setAttribute("title", "Ooops");
                request.setAttribute("feedback_message", "Sorry, we could not find the restaurant.");
            }
                
            RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(url);
            dispatcher.forward(request, response);
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
